Method executed by user equipment and user equipment

Abstract

The present invention provides a method performed by a user equipment and the user equipment. The method performed by the user equipment is a method for a UE that receives a command for activating a Scell ​​to trigger a power PHR, comprising the following steps: the UE receives a command for activating the Scell; when the UE receives the activation command, the UE determines the state of the Scell; and when the UE determines that the Scell ​​is in an activated state before receiving the activation command, the UE determines the type of an active BWP of the Scell; and when the type of the active BWP is determined to be a non-dormant BWP, the UE triggers a PHR.

Description

Technical Field

[0001] The present invention relates to the field of wireless communication technology, and more particularly, to a method executed by a user equipment and corresponding user equipment. Background Art

[0002] With the rapid growth of mobile communications and tremendous technological advances, the world is moving towards a fully interconnected network society, where anyone and anything can access information and share data at any time and anywhere. To meet the demands of mobile broadband services and the communication needs of massive IoT devices, the next-generation communication technology (5G) will explore technical enhancements for users with dual or even multiple connections (RP-181469 New Widgets on DC and CA enhancements).

[0003] A user equipment (UE) can be configured with one or more secondary cells (Scells). Each Scell ​​can be activated or deactivated. An activated Scell ​​always operates on its active BWP, which can be a non-dormant BWP or a dormant BWP.

[0004] When a UE receives a Scell ​​activation command to activate a Scell, the Scell ​​can be in either the activated or deactivated state. If the Scell ​​is in the deactivated state before receiving the Scell ​​activation command, the UE can activate a pre-configured BWP as the BWP for the Scell ​​after it is first activated. However, if the activated Scell ​​is already in the activated state and has an active BWP before receiving the Scell ​​activation command, how the UE handles this activation command is a problem that needs to be solved. Summary of the Invention

[0005] The present invention proposes a solution to the following problem: when a Scell ​​is already in an activated state, a solution is proposed to the problem of how to process a received Scell ​​activation command for activating the Scell.

[0006] According to one aspect of the present invention, a method performed by a user equipment (UE) is provided, wherein the method triggers a power headroom report (PHR) by the user equipment (UE) upon receiving a command for activating a secondary cell (Scell), comprising the following steps:

[0007] The UE receives a command for activating the Scell;

[0008] When the UE receives the activation command, determining the state of the Scell; and

[0009] When the UE determines that the Scell ​​is in an activated state before receiving the activation command, the UE determines the type of the active bandwidth fragment BWP of the Scell; and when determining that the type of the active BWP is a non-dormant BWP, the UE triggers a PHR.

[0010] In the above method executed by the user equipment, preferably, when it is determined that the type of the active BWP is a dormant BWP, the UE does not trigger a PHR.

[0011] According to another aspect of the present invention, a method performed by a user equipment is provided, wherein the method is for a user equipment UE to activate a BWP after receiving a command for activating an Scell, and includes the following steps:

[0012] The UE receives an activation command for activating the Scell;

[0013] When the UE receives the activation command, determining the state of the Scell; and

[0014] When the UE determines that the Scell ​​is in an activated state before receiving the activation command, the UE determines the type of the active BWP of the Scell ​​and the type of the BWP used for the first activation of the Scell; and

[0015] When it is determined that the type of the active BWP is different from the type of the BWP used for initial Scell ​​activation, the UE activates the BWP used for initial Scell ​​activation.

[0016] In the above method performed by the user equipment, preferably, the UE may determine that the type of the active BWP is different from the type of the BWP used for the first activation of the Scell ​​in the following circumstances:

[0017] When the UE determines that the type of the active BWP is a non-dormant BWP, and the type of the BWP used for the first activation of the Scell ​​is a dormant BWP;

[0018] or

[0019] The UE determines that the type of the active BWP is a dormant BWP, and the type of the BWP used for the first activation of the Scell ​​is a non-dormant BWP;

[0020] In the above method performed by the user equipment, preferably, it may further include:

[0021] When it is determined that the type of the active BWP is the same as the type of the BWP used for initial Scell ​​activation, and both are non-dormant BWPs, the UE triggers a PHR.

[0022] According to another aspect of the present invention, there is provided a user equipment, including:

[0023] processor; and

[0024] Memory, which stores instructions,

[0025] When the instructions are executed by the processor, the instructions enable the user equipment to perform the method described above.

[0026] According to the method performed by the user equipment and the corresponding user equipment involved in the present disclosure, the UE can correctly process the received Scell ​​activation command. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A flow chart showing a method 100 in a user equipment according to an embodiment of the present invention.

[0028] Figure 2 A flow chart showing a method 200 in a user equipment according to an embodiment of the present invention.

[0029] Figure 3 A block diagram showing a user equipment 30 according to an embodiment of the present invention. DETAILED DESCRIPTION

[0030] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that the present invention is not limited to the specific embodiments described below. In addition, for the sake of simplicity, detailed descriptions of known technologies that are not directly related to the present invention are omitted to prevent confusion in understanding the present invention.

[0031] Before the detailed description, the following explanations are given for several terms mentioned in the present invention. Unless otherwise specified, the terms involved in the present invention have the following meanings.

[0032] UE User Equipment

[0033] NR New Radio Next Generation Wireless Technology

[0034] eLTE Enhanced Long Term Evolution

[0035] E-UTRAN Evolved Universal Terrestrial Radio Access Network Evolved terrestrial radio access network

[0036] DC Dual Connectivity

[0037] MC Multi Connectivity

[0038] Gnb provides the NR user plane and control plane protocol stack to the UE and connects to the base station node of the 5G core network

[0039] Enb provides the E-UTRAN user plane and control plane protocol stack to the UE and connects to the base station node of the EPC core network

[0040] Ng-enb provides the E-UTRAN user plane and control plane protocol stack to the UE and connects to the base station node of the 5G core network

[0041] SRB signaling radio bear

[0042] DRB Data radio bear data bearer

[0043] Split SRB Split signaling bearer

[0044] MAC CE MAC Control Element MAC control unit

[0045] SRS Sounding Reference Signal

[0046] CSI Channel State Information Channel State Information

[0047] PDCCH Physical Downlink Control Channel Physical Downlink Control Channel

[0048] PUCCH Physical Uplink Control Channel Physical Uplink Control Channel

[0049] RRC Radio Resource Control Radio Resource Control Layer

[0050] DCI Downlink Control Information Downlink Control Information

[0051] PHR Power Headroom Report Power Headroom Report

[0052] Scell ​​Secondary Cell

[0053] BWP Bandwidth Part Bandwidth Part

[0054] UL-SCH Uplink Shared Channel Uplink Shared Channel

[0055] DL-SCH Downlink Shared Channel Downlink Shared Channel

[0056] RACH Random Access Channel Random Access Channel

[0057] Scell ​​activation command

[0058] The prior art defines a Scell ​​Activation / Deactivation MAC CE (SCell Activation / Deactivation MAC CE), which carries one or more bytes. Each bit in the byte corresponds to a Scell. When the bit is set to 0, it indicates deactivation of the corresponding Scell. When the bit is set to 1, it indicates activation of the corresponding Scell.

[0059] When the UE receives the MAC CE, it can process the state of the corresponding Scell ​​according to the value of each bit, that is, whether the UE activates or deactivates the Scell.

[0060] The Scell ​​activation command may also be an RRC reconfiguration message, which carries the Scell ​​and its corresponding state information element sCellState. When the value of the information element is set to activated, it indicates that the corresponding Scell ​​is activated.

[0061] In addition, there are other ways to activate the Scell, which are not described here. The Scell ​​activation command mentioned below may include but is not limited to the above-mentioned SCell Activation / Deactivation MAC CE and RRC reconfiguration message.

[0062] Figure 1 FIG1 is a flow chart of a method 100 in a user equipment according to an embodiment of the present invention. In step S101, the user equipment UE receives a Scell ​​activation command. In step S102, the state of the Scell ​​is determined; and when the UE determines that the Scell ​​is in an activated state before receiving the activation command, the type of the active BWP of the Scell ​​is determined. In step S103, when the type of the active BWP is determined to be a non-dormant BWP, the UE triggers a PHR.

[0063] Figure 2FIG2 is a flow chart of a method 200 in a user equipment according to an embodiment of the present invention. In step S201, the user equipment UE receives a Scell ​​activation command. In step S202, when the UE determines that the Scell ​​is in an activated state before receiving the activation command, the UE determines the type of the active BWP of the Scell ​​and the type of the BWP used for the first activation of the Scell. In step S103, when it is determined that the type of the active BWP is different from the type of the BWP used for the first activation of the Scell, the UE activates the BWP used for the first activation of the Scell.

[0064] Hereinafter, specific embodiments of the present invention will be described in detail. As mentioned above, the embodiments of the present invention are provided for easy understanding of the present invention and are not intended to limit the present invention.

[0065] [Example 1]

[0066] This embodiment provides a method executed by a user equipment that receives a command for activating an Scell, including:

[0067] Step 1: The UE receives the Scell ​​activation command.

[0068] This command can be the SCell Activation / Deactivation MAC CE mentioned above, or an RRC reconfiguration message carrying information indicating the Scell ​​status. This command is used to activate one or more Scells. Here, activation of a single Scell ​​is used as an example. If multiple Scells are activated by a single activation command, the UE can perform operations on each Scell ​​separately.

[0069] Step 2: Determine the state of the Scell.

[0070] The status here mainly refers to whether the Scell ​​is activated or deactivated before the UE receives the activation command, or whether the Scell ​​has been activated (activated) by receiving an activation command or deactivated (deactivated) by receiving a deactivation command before receiving the activation command.

[0071] When the UE determines that the Scell ​​is activated or in an activation state (determine the Scell ​​as activated) before receiving the activation command, the UE continues to determine the type of the active BWP of the activated Scell.

[0072] Here, the "type of BWP" mainly refers to whether the BWP is a dormant BWP or a non-dormant BWP. The UE can perform one or more of the following operations based on the judgment result:

[0073] Operation 1.1: When the UE determines the active BWP of the Scell ​​as a dormant BWP, the UE does not trigger a PHR. Optionally, the UE may also perform one or more of the following operations:

[0074] -Do not monitor the PDCCH on the BWP;

[0075] -Do not monitor the PDCCH for the BWP;

[0076] -Do not receive DL-SCH on the BWP;

[0077] - If CSI measurement for the BWP is configured, perform the measurement (perform CSI measurement for the BWP, if configured);

[0078] - Stop all uplink transmissions (stop any UL transmission);

[0079] -Suspend configured uplink grant Type 1 configured on the Scell ​​(suspend any configured uplink grant Type 1 associated with the SCell);

[0080] - Release configured uplink grant Type 2 configured on the Scell ​​(clear any configured uplink grant of configured grant Type 2 associated with the SCell);

[0081] Operation 1.2: When the UE determines the active BWP of the Scell ​​as a non-dormant BWP, the UE triggers a PHR. Optionally, the UE performs one or more of the following operations:

[0082] -CSI reporting for the SCell;

[0083] -PDCCH monitoring on the SCell;

[0084] - PDCCH monitoring for the SCell;

[0085] - If PUCCH transmission is configured on the Scell, PUCCH transmission is performed on the Scell ​​(PUCCH transmissions on the SCell, if configured).

[0086] Triggering a PHR here refers to triggering a PHR process. Prior art defines the operations required when a PHR is triggered. When a PHR is triggered, if uplink resources are available, the UE obtains the corresponding uplink carrier power headroom value and generates and sends a PHR MAC CE carrying the power headroom value.

[0087] In addition to operations 1.1 and 1.2, preferably, the UE may perform operation 1.3 regardless of the determination result.

[0088] Operation 1.3: The UE starts or restarts the timer sCellDeactivationTimer associated with the Scell.

[0089] Operation 1.3 may be performed before operation 1.1 or operation 1.2 is performed, or before the type of the BWP is determined in operation 1.2.

[0090] Since the UE's operations of making a judgment and obtaining a judgment result can be performed simultaneously, no specific execution order is required. Therefore, another implementation method of the above solution may be:

[0091] First, the UE receives a Scell ​​activation command. Then, for Case 1, if the Scell ​​is activated or in an activation state before receiving the activation command, the UE performs operations based on the type of active BWP belonging to the activated Scell. Specific operations may include:

[0092] For situation 1.1: the active BWP of the Scell ​​is set as a dormant BWP, the UE does not trigger a PHR, and optionally performs the optional operations described in operation 1.1.

[0093] For situation 1.2: the active BWP of the Scell ​​is set as a non-dormant BWP, the UE triggers a PHR and optionally performs the optional operations described in operation 1.2.

[0094] In addition, the UE may start or restart the timer sCellDeactivationTimer associated with the Scell ​​upon receiving the Scell ​​activation command; or perform this operation when case 1, case 1.1, or case 1.2 occurs.

[0095] [Example 2]

[0096] This embodiment provides a method executed by a user equipment (UE) that receives a command for activating an Scell, including:

[0097] Step 1: The UE receives the Scell ​​activation command.

[0098] This command can be the SCell Activation / Deactivation MAC CE mentioned above, or an RRC reconfiguration message carrying information indicating the Scell ​​status. This command is used to activate one or more Scells. Here, activation of a single Scell ​​is used as an example. If multiple Scells are activated by a single activation command, the UE can perform operations on each Scell ​​separately.

[0099] Step 2: Determine the state of the Scell.

[0100] The status here mainly refers to whether the Scell ​​is activated or deactivated before the UE receives the activation command, or whether the Scell ​​has been activated (activated) by receiving an activation command or deactivated (deactivated) by receiving a deactivation command before receiving the activation command.

[0101] When the UE determines that the Scell ​​is activated or in an activation state before receiving the activation command (determine the Scell ​​as activated), the UE continues to determine the type of the active BWP of the activated Scell ​​and the type of the BWP associated with the Scell ​​for initial activation, and optionally determines the relationship between the two types, that is, whether the two types are the same or different. The UE may then perform one or more of the following operations:

[0102] Operation 2.1: When the UE determines that the active BWP is a non-dormant BWP and the first active BWP of the Scell ​​is also a non-dormant BWP, or that the active BWP and the first active BWP are of the same type, both being non-dormant BWPs, the UE may trigger a PHR and, optionally, perform one or more of the following operations:

[0103] -CSI reporting for the SCell;

[0104] - PDCCH monitoring on the SCell; - PDCCH monitoring for the SCell;

[0105] -If the Scell ​​is configured with PUCCH transmission, then PUCCH transmissions on the Scell ​​are performed.

[0106] Operation 2.2: When the UE determines that the active BWP is a non-dormant BWP and the first active BWP of the Scell ​​is a dormant BWP, or the active BWP is of a different type from the first active BWP, the UE activates the first active BWP associated with the Scell, including activating the first active uplink BWP and the first active downlink BWP, specifically activating the BWP corresponding to the BWP ID indicated by the first active uplink / downlink BWP. Optionally, when the first active BWP is a dormant BWP, perform one or more of the following operations:

[0107] -Stop the bandwidth fragment deactivation timer bwp-InactivityTimer associated with the serving cell

[0108] -Does not trigger PHR

[0109] -Do not monitor the PDCCH on the BWP

[0110] -Do not monitor the PDCCH for the BWP

[0111] -Do not receive DL-SCH on the BWP

[0112] - If CSI measurement for the BWP is configured, perform the measurement (perform CSI measurement for the BWP, if configured)

[0113] - Stop any UL transmission

[0114] -Suspend any configured uplink grant Type 1 associated with the SCell

[0115] - Release the configured uplink grant Type configured on the Scell ​​(clear any configured uplink grant of configured grant Type 2 associated with the SCell); )

[0117] Operation 2.3: When the UE determines that the active BWP is a dormant BWP and the first active BWP of the Scell ​​is a non-dormant BWP, or the active BWP is of a different type from the first active BWP, the UE may activate the first active BWP associated with the Scell, including activating the first active uplink BWP and the first active downlink BWP, specifically activating the BWP corresponding to the BWP ID indicated by the first active uplink / downlink BWP. Optionally, when the first active BWP is a non-dormant BWP, perform one or more of the following operations:

[0118] - Trigger PHR

[0119] -CSI reporting for the SCell;

[0120] -PDCCH monitoring on the SCell;

[0121] - PDCCH monitoring for the SCell;

[0122] - If PUCCH transmission is configured for the Scell, PUCCH transmissions on the SCell, if configured;

[0123] - If there is a suspended configured grant Type 1 associated with the Scell, initialize or reinitialize the suspended configured grant Type 1 associated with the Scell.

[0124] Operation 2.4: When the UE determines that the active BWP is a dormant BWP and the first active BWP of the Scell ​​is a dormant BWP, or that the active BWP and the first active BWP are of the same type, both being dormant BWPs, the UE may not perform any operation, or may optionally perform one or more of the following operations:

[0125] -Do not monitor the PDCCH on the BWP;

[0126] -Do not monitor the PDCCH for the BWP;

[0127] -Do not receive DL-SCH on the BWP;

[0128] - If CSI measurement for the BWP is configured, perform the measurement (perform CSI measurement for the BWP, if configured)

[0129] - Stop all uplink transmissions (stop any UL transmission);

[0130] -Does not trigger PHR.

[0131] Another implementation method of the above solution may be:

[0132] First, the UE receives a Scell ​​activation command. Then, for scenario 2: the Scell ​​is activated or in an activation state before receiving the activation command, the UE performs an operation based on the type of the active BWP belonging to the activated Scell ​​and the type of the BWP associated with the Scell ​​for initial activation. Optionally, the UE may also perform an operation based on the relationship between the types of the two, that is, whether the two types are the same or different. Specific operations may include:

[0133] For scenario 2.1: the active BWP is a non-dormant BWP, and the first active BWP of the Scell ​​is also a non-dormant BWP, or the active BWP and the first active BWP are of the same type, both being non-dormant BWPs, the UE may trigger a PHR and, optionally, perform the optional operations described in operation 2.1.

[0134] For situation 2.2: the active BWP is a non-dormant BWP, and the first active BWP of the Scell ​​is a dormant BWP, or the active BWP is of a different type from the first active BWP, then the UE activates the first active BWP associated with the Scell, including activating the first active uplink BWP and activating the first active downlink BWP, specifically activating the BWP corresponding to the BWP ID indicated by the first active uplink / downlink BWP, and optionally, when the first active BWP is a dormant BWP, performing the optional operations described in operation 2.2.

[0135] For situation 2.3: the active BWP is a dormant BWP, and the first active BWP of the Scell ​​is a non-dormant BWP, or the active BWP is of a different type from the first active BWP, then the UE may activate the first active BWP associated with the Scell, including activating the first active uplink BWP and the first active downlink BWP, specifically activating the BWP corresponding to the BWP ID indicated by the first active uplink / downlink BWP, and optionally, when the first active BWP is a non-dormant BWP, perform the optional operations described in operation 2.3.

[0136] For situation 2.4: the active BWP is a dormant BWP, and the first active BWP of the Scell ​​is a dormant BWP, or the active BWP and the first active BWP are of the same type, both are dormant BWPs, then the UE may not perform any operation, and may optionally perform the optional operation described in operation 2.4.

[0137] In addition, the UE may also start or restart the timer sCellDeactivationTimer associated with the Scell ​​upon receiving the Scell ​​activation command; or perform this operation when case 2, case 2.1, case 2.2, case 2.3, or case 2.4 occurs.

[0138] [Example 3]

[0139] On the basis of Example 1 or Example 2, that is, when the UE receives the Scell ​​deactivation command and determines the status of the Scell, if the UE determines that the status of the Scell ​​is: when the Scell ​​is deactivated (deactivated) before receiving the activation command, or is in a deactivation state (deactivation), then the UE next determines the type of BWP associated with the Scell ​​for the first activation.

[0140] When a Scell ​​is activated from a deactivated state, or was in a deactivated state before receiving an activation command, once the Scell ​​is activated, it always operates on a pre-configured BWP or always activates a pre-configured BWP. This pre-configured BWP can be called the BWP for initial activation or the first active BWP. Specifically, the first active BWP is a BWP ID. When a deactivated Scell ​​receives a command to activate the Scell, the UE activates the BWP corresponding to this BWP ID.

[0141] Since BWPs are classified into uplink BWPs and downlink BWPs, the BWPs used for initial activation are also classified into uplink BWPs used for initial activation and downlink BWPs used for initial activation. The UE determines that the BWP used for initial activation associated with the Scell ​​is preferably a downlink BWP. That is, the UE determines the type of downlink BWP used for initial activation and then performs the following operation 3.1 or operation 3.2.

[0142] Operation 3.1: When the UE determines that the first active BWP of the Scell ​​is set as a non-dormant BWP, the UE triggers a PHR and optionally performs one or more of the following operations:

[0143] -CSI reporting for the SCell;

[0144] -PDCCH monitoring on the SCell;

[0145] - PDCCH monitoring for the SCell;

[0146] -If the Scell ​​is configured with PUCCH transmission, then PUCCH transmissions on the Scell ​​are performed.

[0147] Operation 3.2: When the UE determines that the first active BWP of the Scell ​​is set as a dormant BWP, the UE may not trigger a PHR and may optionally perform one or more of the following operations:

[0148] Do not monitor the PDCCH on the BWP;

[0149] Do not monitor the PDCCH for the BWP; do not receive DL-SCH on the BWP;

[0150] If CSI measurement for the BWP is configured, perform the measurement (perform CSI measurement for the BWP, if configured);

[0151] Stop all uplink transmission (stop any UL transmission);

[0152] Suspend any configured uplink grant Type 1 associated with the SCell.

[0153] Release the configured uplink grant Type configured on the Scell ​​(clear any configured uplink grant of configured grant Type 2 associated with the SCell).

[0154] In addition to operations 3.1 and 3.2, preferably, the UE may perform operation 1.3 described in embodiment 1 regardless of the judgment result.

[0155] Operation 1.3 may be performed before or simultaneously with operation 3.1 or operation 3.2, or before or simultaneously with the second step of determining the type of BWP in embodiment 1 or 3.

[0156] Another implementation method of the above solution may be:

[0157] First, the UE receives a Scell ​​activation command. Then, for scenario 3: when the Scell ​​is deactivated or in a deactivation state before receiving the activation command, the UE performs operations based on the type of the first active BWP associated with the Scell. Specific operations may include:

[0158] For scenario 3.1: the first active BWP of the Scell ​​is set as a non-dormant BWP, the UE does not trigger a PHR, and optionally performs the optional operations described in operation 3.1.

[0159] For situation 3.2: the first active BWP of the Scell ​​is a dormant BWP (the active BWP of the Scell ​​is set as a dormant BWP), the UE triggers a PHR and optionally performs the optional operations described in operation 3.2.

[0160] In addition, the UE may start or restart the timer sCellDeactivationTimer associated with the Scell ​​upon receiving the Scell ​​activation command; or perform this operation when case 3, case 3.1, or case 3.2 occurs.

[0161] [Example 4]

[0162] Since the secondary cell (Scell) is a serving cell, the "activation of an SCell" mentioned in embodiments 1-3 can be referred to as activating a serving cell. When a cell is activated, activating the serving cell includes at least the following operations:

[0163] - Activate any active BWP (Bandwidth Partition) associated with the serving cell.

[0164] When a serving cell is activated, its characteristics are as follows:

[0165] -SRS can be transmitted on the serving cell (transmit SRS on the SCell);

[0166] - Report CSI for the SCell;

[0167] - If the serving cell is configured with an uplink channel, transmission can be performed on the uplink channel of the serving cell (transmit on UL-SCH on the SCell);

[0168] - If the serving cell is configured with a random access channel, transmission can be performed on the random access channel of the serving cell (transmit on RACH on the SCell);

[0169] -Monitor the PDCCH on the SCell;

[0170] -Monitor the PDCCH for the SCell:

[0171] -If the serving cell is configured with PUCCH, then PUCCH can be transmitted on the serving cell (transmit PUCCH on the SCell).

[0172] It can be considered that the serving cell with the above characteristics can be called an activated cell or a cell in an activated state.

[0173] [Example 5]

[0174] The “deactivation of an SCell” mentioned in Examples 1-3 may be referred to as deactivation of a serving cell.

[0175] Deactivating a serving cell includes at least the following operations:

[0176] - Stop the bandwidth fragment deactivation timer bwp-InactivityTimer associated with the serving cell;

[0177] - Deactivate any active BWP (Bandwidth Partition) associated with the serving cell.

[0178] When a serving cell is deactivated, its characteristics include at least one or more of the following:

[0179] -Do not transmit SRS on the SCell;

[0180] -Do not report CSI for the SCell;

[0181] -Do not transmit on the uplink channel of the serving cell (not transmit on UL-SCH on the SCell);

[0182] - do not transmit on a random channel on the serving cell (not transmit on RACH on the SCell);

[0183] -Do not monitor the PDCCH on the SCell:

[0184] -Do not monitor the PDCCH for the SCell;

[0185] -Do not transmit PUCCH on the SCell.

[0186] It can be considered that the serving cell with the above characteristics can be called a deactivated cell or a cell in a deactivated state.

[0187] [Example 6]

[0188] The non-dormant BWP mentioned in Examples 1-3 means that the BWP configuration does not include a PDCCH configuration, or does not include a valid PDCCH configuration, that is, the PDCCH configuration is absent. Since these PDCCH configurations are used for PDCCH monitoring, when the dormant BWP does not include a PDCCH configuration, the UE does not need to monitor the corresponding PDCCH on the dormant BWP.

[0189] Correspondingly, a non-dormant BWP refers to a BWP configuration that includes a PDCCH configuration, or a valid PDCCH configuration, and is used for monitoring the PDCCH.

[0190] Figure 3 This is a brief structural block diagram of the user equipment involved in this invention. Figure 3 As shown, the user equipment UE30 includes a processor 301 and a memory 302. The processor 301 may include, for example, a microprocessor, a microcontroller, an embedded processor, etc. The memory 202 may include, for example, a volatile memory (such as a random access memory (RAM), a hard disk drive (HDD), a non-volatile memory (such as a flash memory), or other memory. The memory 302 stores program instructions. When executed by the processor 301, these instructions may execute the above-described method performed by the user equipment as described in detail in the present invention.

[0191] The program running on the device according to the present invention can be a program that controls the central processing unit (CPU) to enable the computer to implement the functions of the embodiments of the present invention. The program or the information processed by the program can be temporarily stored in a volatile memory (such as a random access memory RAM), a hard disk drive (HDD), a non-volatile memory (such as a flash memory), or other memory systems.

[0192] The program for realizing each embodiment of the present invention function can be recorded on a computer-readable recording medium. Can realize corresponding function by making a computer system read the program recorded on the recording medium and executing these programs. So-called "computer system" herein can be the computer system embedded in the device, can include operating system or hardware (such as peripheral device). "Computer-readable recording medium" can be a semiconductor recording medium, an optical recording medium, a magnetic recording medium, a short-term dynamic storage program recording medium or any other recording medium that is computer-readable.

[0193] The various features or functional modules of the devices used in the above embodiments can be implemented or executed by circuits (e.g., single-chip or multi-chip integrated circuits). The circuits designed to perform the functions described in this specification may include a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or other programmable logic devices, discrete gate or transistor logic, discrete hardware components, or any combination of the above devices. The general-purpose processor may be a microprocessor, or any existing processor, controller, microcontroller, or state machine. The above circuits may be digital circuits or analog circuits. In the event that new integrated circuit technologies have emerged to replace existing integrated circuits due to advances in semiconductor technology, one or more embodiments of the present invention may also be implemented using these new integrated circuit technologies.

[0194] Furthermore, the present invention is not limited to the above-described embodiments. Although various examples of the embodiments have been described, the present invention is not limited thereto. Fixed or non-mobile electronic devices installed indoors or outdoors can be used as terminal devices or communication devices, such as AV equipment, kitchen equipment, cleaning equipment, air conditioners, office equipment, vending machines, and other household appliances.

[0195] As described above, embodiments of the present invention have been described in detail with reference to the accompanying drawings. However, the specific structure is not limited to the above-described embodiments, and the present invention also includes any design changes that do not deviate from the main purpose of the present invention. In addition, various modifications can be made to the present invention within the scope of the claims, and embodiments obtained by appropriately combining the technical means disclosed in different embodiments are also included in the technical scope of the present invention. In addition, components with the same effect described in the above embodiments can be replaced with each other.

Claims

1. A method performed by a user equipment (UE), comprising the following steps: receiving an SCell activation / deactivation MAC control element MAC CE for a secondary cell (SCell), where the SCell activation / deactivation MAC CE activates the SCell; Determining whether the SCell is activated or deactivated before the UE receives the SCell activation / deactivation MAC CE; as well as In a case where the SCell is activated before the UE receives the SCell activation / deactivation MAC CE, determining whether an active bandwidth fragment BWP of the SCell is a dormant BWP or a non-dormant BWP, wherein the active BWP is activated before the UE receives the SCell activation / deactivation MAC CE, Wherein, in a case where the active BWP of the SCell is a dormant BWP, the UE does not trigger a power headroom report PHR; and In a case where the active BWP of the SCell is a non-dormant BWP, the UE triggers the PHR.

2. A user equipment (UE), comprising: processor; as well as a memory in electronic communication with the processor, wherein instructions stored in the memory are executable to: receiving an SCell activation / deactivation MAC control element MAC CE for a secondary cell SCell, where the SCell activation / deactivation MAC CE activates the SCell; Determining whether the SCell is activated or deactivated before the UE receives the SCell activation / deactivation MAC CE; and In a case where the SCell is activated before the UE receives the SCell activation / deactivation MAC CE, determining whether an active bandwidth fragment BWP of the SCell is a dormant BWP or a non-dormant BWP, wherein the active BWP is activated before the UE receives the SCell activation / deactivation MAC CE, in, In a case where the active BWP of the SCell is a dormant BWP, the UE does not trigger a power headroom report PHR; and In a case where the active BWP of the SCell is a non-dormant BWP, the UE triggers the PHR.

Images